Home / 381,550.65-526,546.08-209,484.48

Finding the Fourth Proportional to 381,550.65, 526,546.08 and 209,484.48

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Solution

The fourth proportional to 381,550.65, 526,546.08 and 209,484.48 is: 289,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,550.65 : 526,546.08 = 209,484.48 : x
  2. Step 2: Convert to fraction form
    381,550.65/526,546.08 = 209,484.48/x
  3. Step 3: Cross multiply
    381,550.65x = 526,546.08 × 209,484.48
  4. Step 4: Simplify right side
    381,550.65x = 110,303,229,746.51
  5. Step 5: Solve for x
    x = 110,303,229,746.51/381,550.65
  6. Step 6: Final answer
    x = 289,091.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.